CN217163848U

CN217163848U - Wet flue gas desulfurization device

Info

Publication number: CN217163848U
Application number: CN202220294066.6U
Authority: CN
Inventors: 万海兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-12
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a wet flue gas desulfurization device relates to exhaust-gas treatment technical field, including the desulfurization casing, the fixed blast pipe that is provided with in top of desulfurization casing, the both sides inner wall fixedly connected with of desulfurization casing supports the otter board, and supports the top fixedly connected with treatment liquid case of otter board, the fixed intake pipe that is provided with in one side of treatment liquid case, the fixed first check valve that is provided with of outer wall of intake pipe, fixedly connected with baffle between the top inner wall of treatment liquid case and the bottom inner wall, the baffle will be handled the liquid case and separate into first cavity and second cavity, one side bottom position of baffle is opened there is infusion mouth, and the fixed second check valve that is provided with of inner wall of infusion mouth, the top of second cavity is provided with the feed inlet, the fixed outlet duct that is provided with in top of first cavity. The utility model discloses its advantage lies in being convenient for handle the heat in the flue gas.

Description

Wet flue gas desulfurization device

Technical Field

The utility model relates to a waste gas treatment technical field especially relates to a wet flue gas desulfurization device.

Background

The treatment of exhaust gas is also called exhaust gas purification. The waste gas treatment refers to the work of pretreating waste gas generated in industrial places and factory workshops before the waste gas is discharged to the outside so as to reach the national standard of the external discharge of the waste gas. The general waste gas treatment includes organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection and purification and the like, sulfur-containing flue gas belongs to a common waste gas, and a wet flue gas desulfurization method is generally adopted when the sulfur-containing flue gas is treated.

At present, current wet flue gas desulfurization device, it includes desulfurization casing, treatment fluid case, drawing liquid pump and atomizer usually, will handle the treatment fluid of fluid incasement through the drawing liquid pump and take out to the atomizer on, discharge through the atomizer afterwards, carry out desulfurization treatment to the flue gas.

However, similar to the wet flue gas desulfurization apparatus, the flue gas usually contains a large amount of heat, and the treated gas is directly discharged, which is likely to cause thermal pollution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wet flue gas desulfurization device. Its advantage lies in being convenient for handle the heat in the flue gas.

In order to realize the purpose, the utility model adopts the following technical scheme:

a wet flue gas desulfurization device comprises a desulfurization shell, wherein an exhaust pipe is fixedly arranged at the top of the desulfurization shell, supporting screen plates are fixedly connected with the inner walls at two sides of the desulfurization shell, a treatment liquid box is fixedly connected with the top of the supporting screen plates, an air inlet pipe is fixedly arranged at one side of the treatment liquid box, a first one-way valve is fixedly arranged on the outer wall of the air inlet pipe, a baffle is fixedly connected between the inner wall at the top and the inner wall at the bottom of the treatment liquid box, the treatment liquid box is divided into a first cavity and a second cavity by the baffle, an infusion port is formed in the bottom of one side of the baffle, a second one-way valve is fixedly arranged on the inner wall of the infusion port, a feed inlet is formed in the top of the second cavity, an air outlet pipe is fixedly arranged at the top of the first cavity, an air outlet screen plate is fixedly connected with the position at one end of the circumferential inner wall of the air inlet pipe, and a mounting plate is fixedly connected with the outer wall at one side of the desulfurization shell, and the top fixedly connected with drawing liquid pump of mounting panel, the feed liquor end fixedly connected with of drawing liquid pump extends to the feed liquor pipe in the second cavity, the equal fixedly connected with installation pole of both sides inner wall both ends department of desulfurization casing, and the inner wall of installation pole has seted up the stock solution chamber, the fixed a plurality of atomizer that are provided with in bottom of installation pole, the fixed transfer line that is provided with in one side in stock solution chamber, the same connecting pipe of one end fixedly connected with of two transfer lines, the flowing back end fixedly connected with of drawing liquid pump extends to the fluid-discharge tube in the connecting pipe, open the one end middle part of desulfurization casing has first installing port, and one side inner wall of first installing port articulates there is the sealing door.

The utility model discloses further set up to, the material of baffle is aluminium.

The utility model discloses further set up to, the spout has all been opened with the relative one side of first cavity to the baffle, and the inner wall of spout slides and is provided with slider, two the same dispersion otter board of relative one side fixedly connected with of slider.

The utility model discloses further set up to, fixed mounting has the vibrations spring between slider and the spout.

The utility model discloses further set up to, open the one end bottom of desulfurization casing has the second installing port, and the inner wall of second installing port is pegged graft and is had the collection frame.

The utility model discloses further set up to, the fixed drain pipe that is provided with in bottom of first cavity, and the outer wall of drain pipe is fixed and is provided with the flowing back valve door, it has the liquid outlet to open at the top of support otter board, the drain pipe passes the liquid outlet.

The utility model discloses further set up to, the circumference inner wall fixedly connected with connecting plate of intake pipe, and open one side of connecting plate has the through-hole, the inner wall of through-hole rotates and is connected with the axis of rotation that extends to in the first cavity, a plurality of rotating fan blades of one side fixedly connected with of axis of rotation circumference outer wall near the connecting plate.

The utility model discloses further set up to, a plurality of dispersion plates of one side fixedly connected with of connecting plate are kept away from to axis of rotation circumference outer wall.

The utility model discloses further set up to, the outer wall of dispersion board is opened has a plurality of dispersion meshs.

The utility model has the advantages that:

1. the wet flue gas desulfurization device is provided with a treatment liquid box, an air outlet pipe, an air outlet screen plate, an atomizing spray head and an extraction pump, when flue gas is treated, excessive sodium carbonate powder and water are placed in a second cavity through a feed inlet, the sodium carbonate powder and the water are fused to generate treatment liquid, the treatment liquid enters a first cavity through a second one-way valve, then the flue gas enters the first cavity through an air inlet pipe, the flue gas is contacted with the treatment liquid in the first cavity through the air outlet screen plate to generate a large amount of bubbles, the contact area between the treatment liquid and the flue gas is increased, so that the treatment liquid can absorb heat in the flue gas, meanwhile, the treatment liquid can react with sulfides in the flue gas, and then the treatment liquid is discharged to the upper part through the air outlet pipe, at the moment, the extraction pump is started, the treatment liquid in the second cavity is pumped to the atomizing spray head through the extraction pump and is sprayed out through the atomizing spray head, and the flue gas is desulfurized again, so that the sufficiency of the flue gas treatment is increased, and meanwhile, the heat in the flue gas is recovered.

2. This wet flue gas desulfurization device, through being provided with baffle and second cavity, because the material of baffle is aluminium, its heat-conducting capacity is stronger, with the processing fluid in the heat transfer of processing fluid in the first cavity for the processing fluid in the second cavity to make the temperature in the second cavity rise, make excessive sodium carbonate powder dissolve, thereby increased the concentration of processing fluid, further increased flue gas desulfurization processing's sufficiency, abundant recycle has utilized the heat in the flue gas.

3. This wet flue gas desulfurization device, through being provided with the dispersion board, the dispersion mesh, dispersion otter board and axis of rotation, when carrying out flue gas treatment, the flue gas drives and rotates the flabellum rotation, and then drive the dispersion board through the axis of rotation and rotate, and then the bubble that produces the flue gas disperses, when the mesh of dispersed flue gas through the dispersion otter board, through the buoyancy of bubble, the elasticity of cooperation vibrations spring, further cut the bubble, further increased the area of contact between flue gas and the treatment fluid, and then increased the sufficiency to heat recovery in the flue gas, and simultaneously, the sufficiency to sulphide processing in the flue gas has been increased.

4. This wet flue gas desulfurization device through being provided with collects the frame, handles when the flue gas and accomplishes the back, opens fluid-discharge valve, discharges the treatment fluid in the first cavity to collecting in the frame, retrieves it, and simultaneously, atomizer spun treatment fluid, after contacting with the flue gas, in the mesh infiltration collection frame through supporting the otter board, retrieves it to reach and be convenient for carry out recovery processing's purpose to the waste liquid.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of a wet flue gas desulfurization device according to the present invention;

FIG. 2 is a schematic view of a partial three-dimensional structure of a mounting rod and an atomizing nozzle of a wet flue gas desulfurization device according to the present invention;

FIG. 3 is a schematic structural view of a baffle plate and a dispersing screen plate of the wet flue gas desulfurization device provided by the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a desulfurization shell; 2. an air inlet pipe; 3. a sealing door; 4. a collection frame; 5. mounting a plate; 6. a liquid pump; 7. a liquid discharge pipe; 8. a connecting pipe; 9. an exhaust pipe; 10. mounting a rod; 11. an atomizing spray head; 12. an air outlet pipe; 13. a treatment liquid tank; 15. supporting the screen plate; 16. a feed inlet; 17. a transfusion tube; 18. a first check valve; 19. a liquid outlet pipe; 20. a drain valve; 21. a second one-way valve; 22. an infusion port; 23. a liquid inlet pipe; 24. a baffle plate; 25. a chute; 26. vibrating the spring; 27. a slider; 28. dispersing the screen plate; 29. a connecting plate; 30. a dispersion plate; 31. dispersing the meshes; 32. an air outlet net plate; 33. a rotating shaft; 34. the fan blades are rotated.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures, which are based on the orientations and positional relationships shown in the figures, and are used for convenience in describing the patent and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a wet flue gas desulfurization device comprises a desulfurization shell 1, an exhaust pipe 9 is fixedly arranged at the top of the desulfurization shell 1, supporting screen plates 15 are connected to the inner walls of the two sides of the desulfurization shell 1 through bolts, the top of the supporting screen plates 15 is connected to a treatment liquid tank 13 through bolts, an air inlet pipe 2 is fixedly arranged at one side of the treatment liquid tank 13, a first one-way valve 18 is fixedly arranged on the outer wall of the air inlet pipe 2, a baffle plate 24 is connected between the inner walls of the top and the bottom of the treatment liquid tank 13 through bolts, the treatment liquid tank 13 is divided into a first cavity and a second cavity by the baffle plate 24, an infusion port 22 is arranged at the bottom of one side of the baffle plate 24, a second one-way valve 21 is fixedly arranged on the inner wall of the infusion port 22, a feed port 16 is arranged at the top of the second cavity, an air outlet pipe 12 is fixedly arranged at the top of the first cavity, and an air outlet screen plate 32 is connected to one end of the circumferential inner wall of the air inlet pipe 2 through bolts, one side outer wall of desulfurization casing 1 has mounting panel 5 through bolted connection, and there is drawing liquid pump 6 at mounting panel 5's top through bolted connection, there is the feed liquor pipe 23 that extends to in the second cavity liquid pump 6's feed liquor end through bolted connection, desulfurization casing 1's both sides inner wall both ends department all has installation pole 10 through bolted connection, and the inner wall of installation pole 10 has seted up the stock solution chamber, the fixed a plurality of atomizer 11 that are provided with in bottom of installation pole 10, the fixed transfer line 17 that is provided with in one side in stock solution chamber, there is same connecting pipe 8 in two transfer lines 17's one end through bolted connection, the flowing back end of drawing liquid pump 6 has fluid-discharge tube 7 that extends to in the connecting pipe 8 through bolted connection, open at the one end middle part of desulfurization casing 1 has first installing port, and one side inner wall of first installing port articulates there is sealing door 3.

Specifically, baffle 24's material is aluminium, because baffle 24's material is aluminium, and its heat conductivility is stronger, with the processing liquid in the heat transfer of processing liquid in the first cavity for the processing liquid in the second cavity to make the temperature rise in the second cavity, make excessive sodium carbonate powder dissolve, thereby increased the concentration of processing liquid, further increased flue gas desulfurization processing's sufficiency, abundant recycle has the heat in the flue gas.

Specifically, the baffle 24 and the relative one side of first cavity all opened spout 25, and the inner wall of spout 25 slides and is provided with slider 27, and the relative one side of two sliders 27 has same dispersion otter board 28 through bolted connection, through spout 25 and slider 27, can make dispersion otter board 28 vibrations.

Specifically, a vibration spring 26 is fixedly installed between the sliding block 27 and the sliding groove 25, and the dispersion mesh plate 28 is vibrated by the elastic force of the vibration spring 26 in cooperation with the buoyancy of the smoke bubbles.

Specifically, the one end bottom of desulfurization casing 1 is opened there is the second installing port, and the inner wall of second installing port pegs graft and has collection frame 4, through collecting frame 4, is convenient for retrieve the waste liquid that atomizer 11 produced.

Specifically, a liquid outlet pipe 19 is fixedly arranged at the bottom of the first cavity, a liquid discharge valve 20 is fixedly arranged on the outer wall of the liquid outlet pipe 19, a liquid outlet is formed in the top of the supporting screen plate 15, the liquid outlet pipe 19 penetrates through the liquid outlet, and waste liquid in the first cavity is conveniently discharged into the collecting frame 4 through the liquid discharge valve 20 and the liquid outlet pipe 19.

Specifically, the circumference inner wall of intake pipe 2 has connecting plate 29 through bolted connection, and opens one side of connecting plate 29 has the through-hole, and the inner wall of through-hole rotates and is connected with the axis of rotation 33 that extends to in the first cavity, and there are a plurality of rotating fan blades 34 one side that axis of rotation 33 circumference outer wall is close to connecting plate 29 through bolted connection, through rotating fan blade 34, is convenient for drive axis of rotation 33 rotatory.

Specifically, one side that connecting plate 29 was kept away from to axis of rotation 33 circumference outer wall has a plurality of dispersion boards 30 through bolted connection, and axis of rotation 33 rotates and drives the dispersion board 30 and rotate, further disperses the bubble that the flue gas produced.

Specifically, the outer wall of the dispersion plate 30 is provided with a plurality of dispersion meshes 31, and the bubbles are cut through the dispersion meshes 31, so that the size of the smoke bubbles is further reduced, and the contact area between the smoke bubbles and the treatment liquid is increased.

The working principle is as follows: when flue gas is treated, excessive sodium carbonate powder and water are placed in the second cavity through the feeding hole 16, the sodium carbonate powder is fused with water to generate treatment liquid, the treatment liquid enters the first cavity through the second one-way valve 21, then the flue gas enters the first cavity through the air inlet pipe 2, the flue gas is contacted with the treatment liquid in the first cavity through the air outlet net plate 32 to generate a large amount of bubbles, the contact area between the treatment liquid and the flue gas is increased, so that the treatment liquid can absorb heat in the flue gas and can react with sulfides in the flue gas, and then the treatment liquid is discharged to the upper part through the air outlet pipe 12, at the moment, the liquid pump 6 is started, the treatment liquid in the second cavity is pumped to the atomizing nozzle 11 through the liquid pump 6 and is sprayed out through the atomizing nozzle 11 to carry out desulfurization treatment on the flue gas again, so that the sufficiency of flue gas treatment is increased, meanwhile, the heat in the flue gas is recovered.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The wet flue gas desulfurization device comprises a desulfurization shell (1), wherein an exhaust pipe (9) is fixedly arranged at the top of the desulfurization shell (1), and the wet flue gas desulfurization device is characterized in that two inner walls of two sides of the desulfurization shell (1) are fixedly connected with a supporting screen plate (15), a treatment liquid box (13) is fixedly connected with the top of the supporting screen plate (15), an air inlet pipe (2) is fixedly arranged at one side of the treatment liquid box (13), a first check valve (18) is fixedly arranged on the outer wall of the air inlet pipe (2), a baffle plate (24) is fixedly connected between the inner wall of the top and the inner wall of the bottom of the treatment liquid box (13), the baffle plate (24) separates the treatment liquid box (13) into a first cavity and a second cavity, an infusion port (22) is arranged at the bottom of one side of the baffle plate (24), and a second check valve (21) is fixedly arranged on the inner wall of the infusion port (22), the top of the second cavity is provided with a feed inlet (16), the top of the first cavity is fixedly provided with an air outlet pipe (12), one end of the circumferential inner wall of the air inlet pipe (2) is fixedly connected with an air outlet net plate (32), one side outer wall of the desulfurization shell (1) is fixedly connected with a mounting plate (5), the top of the mounting plate (5) is fixedly connected with a liquid pump (6), the liquid inlet end of the liquid pump (6) is fixedly connected with a liquid inlet pipe (23) extending into the second cavity, two ends of the two sides inner wall of the desulfurization shell (1) are fixedly connected with mounting rods (10), the inner wall of the mounting rods (10) is provided with a liquid storage cavity, the bottom of the mounting rods (10) is fixedly provided with a plurality of atomizing spray heads (11), one side of the liquid storage cavity is fixedly provided with a liquid conveying pipe (17), and one end of the two liquid conveying pipes (17) is fixedly connected with the same connecting pipe (8), the liquid discharge pipe (7) that extends to in connecting pipe (8) is fixedly connected with of drawing liquid pump (6), open the one end middle part of desulfurization casing (1) has first installing port, and the one side inner wall of first installing port articulates there is sealing door (3).

2. The wet flue gas desulfurization device according to claim 1, wherein the baffle plate (24) is made of aluminum.

3. The wet flue gas desulfurization device according to claim 2, wherein the opposite surfaces of the baffle (24) and the first cavity are both provided with a sliding groove (25), the inner wall of the sliding groove (25) is provided with a sliding block (27) in a sliding manner, and the opposite surfaces of the two sliding blocks (27) are fixedly connected with the same dispersing screen (28).

4. A wet flue gas desulfurization device according to claim 3, characterized in that a vibration spring (26) is fixedly installed between the slide block (27) and the chute (25).

5. The wet flue gas desulfurization device according to claim 1, wherein a second mounting opening is formed at the bottom of one end of the desulfurization casing (1), and the inner wall of the second mounting opening is inserted with the collection frame (4).

6. The wet flue gas desulfurization device according to claim 5, wherein a liquid outlet pipe (19) is fixedly arranged at the bottom of the first cavity, a liquid discharge valve (20) is fixedly arranged on the outer wall of the liquid outlet pipe (19), a liquid outlet is arranged at the top of the support screen (15), and the liquid outlet pipe (19) passes through the liquid outlet.

7. The wet flue gas desulfurization device according to claim 1, wherein a connecting plate (29) is fixedly connected to the inner circumferential wall of the inlet pipe (2), a through hole is formed in one side of the connecting plate (29), the inner wall of the through hole is rotatably connected with a rotating shaft (33) extending into the first cavity, and a plurality of rotating blades (34) are fixedly connected to one side of the outer circumferential wall of the rotating shaft (33) close to the connecting plate (29).

8. The wet flue gas desulfurization device according to claim 7, wherein a plurality of dispersion plates (30) are fixedly connected to the outer circumferential wall of the rotating shaft (33) at a side away from the connection plate (29).

9. The wet flue gas desulfurization device according to claim 8, wherein the outer wall of the dispersion plate (30) is formed with a plurality of dispersion meshes (31).